Hi, The attached patches fix support for neufbox4 boards. Patches are base on 2.6.32.9 kernel.
First patch brings support for 74HC164 GPIO expander. It's mainly a copy from target/linux/ar71xx/files/drivers/gpio/nxp_74hc153.c platform driver. Second patch fixup buggy board names, using neufbox4 PID offset. Then declares new boards info: - NB4-SER-r0 - NB4-SER-r1 - NB4-SER-r2 - NB4-FXC-r1 - NB4-FXC-r2. Eventually, I enable 74HC164 driver in kernel config. Yours, Miguel
Index: target/linux/brcm63xx/patches-2.6.32/300-board_neufbox4.patch =================================================================== --- target/linux/brcm63xx/patches-2.6.32/300-board_neufbox4.patch (revision 0) +++ target/linux/brcm63xx/patches-2.6.32/300-board_neufbox4.patch (revision 0) @@ -0,0 +1,522 @@ +--- a/arch/mips/bcm63xx/boards/board_bcm963xx.c ++++ b/arch/mips/bcm63xx/boards/board_bcm963xx.c +@@ -5,6 +5,7 @@ + * + * Copyright (C) 2008 Maxime Bizon <[email protected]> + * Copyright (C) 2008 Florian Fainelli <[email protected]> ++ * Copyright (C) 2010 Miguel Gaio <[email protected]> + */ + + #include <linux/init.h> +@@ -17,6 +18,7 @@ + #include <linux/ssb/ssb.h> + #include <linux/gpio_buttons.h> + #include <linux/input.h> ++#include <linux/nxp_74hc164.h> + #include <asm/addrspace.h> + #include <bcm63xx_board.h> + #include <bcm63xx_cpu.h> +@@ -33,6 +35,11 @@ + + #define PFX "board_bcm963xx: " + ++#define NEUFBOX4_EXP_GPIO_BASE 64 ++#define NEUFBOX4_GPIO_74HC164_DATA 7 ++#define NEUFBOX4_GPIO_74HC164_CLK 6 ++#define NXP_74HC64_GPIO(X) (NEUFBOX4_EXP_GPIO_BASE + (X)) ++ + static struct bcm963xx_nvram nvram; + static unsigned int mac_addr_used; + static struct board_info board; +@@ -670,6 +677,412 @@ static struct board_info __initdata boar + + .has_ohci0 = 1, + }; ++ ++static struct board_info __initdata board_nb4_ser_r0 = { ++ .name = "NB4-SER-r0", ++ .expected_cpu_id = 0x6358, ++ ++ .has_enet0 = 1, ++ .has_enet1 = 1, ++ .has_pci = 1, ++ ++ .enet0 = { ++ .has_phy = 1, ++ .use_internal_phy = 1, ++ }, ++ ++ .enet1 = { ++ .force_speed_100 = 1, ++ .force_duplex_full = 1, ++ }, ++ ++ ++ .has_ohci0 = 1, ++ .has_pccard = 1, ++ .has_ehci0 = 1, ++ ++ .has_udc0 = 1, ++ ++ .leds = { ++ { ++ .name = "adsl", ++ .gpio = NXP_74HC64_GPIO(4), ++ .active_low = 1, ++ }, ++ { ++ .name = "traffic", ++ .gpio = 2, ++ .active_low = 1, ++ }, ++ { ++ .name = "tel", ++ .gpio = NXP_74HC64_GPIO(3), ++ .active_low = 1, ++ }, ++ { ++ .name = "tv", ++ .gpio = NXP_74HC64_GPIO(2), ++ .active_low = 1, ++ }, ++ { ++ .name = "wifi", ++ .gpio = 15, ++ .active_low = 1, ++ }, ++ { ++ .name = "alarm", ++ .gpio = NXP_74HC64_GPIO(0), ++ .active_low = 1, ++ }, ++ { ++ .name = "service:red", ++ .gpio = 29, ++ .active_low = 1, ++ }, ++ { ++ .name = "service:green", ++ .gpio = 30, ++ .active_low = 1, ++ }, ++ { ++ .name = "service:blue", ++ .gpio = 4, ++ .active_low = 1, ++ }, ++ }, ++ .reset_buttons = { ++ { ++ .desc = "reset", ++ .gpio = 34, ++ .active_low = 1, ++ .type = EV_KEY, ++ .code = BTN_0, ++ .threshold = 3, ++ }, ++ }, ++}; ++ ++static struct board_info __initdata board_nb4_ser_r1 = { ++ .name = "NB4-SER-r1", ++ .expected_cpu_id = 0x6358, ++ ++ .has_enet0 = 1, ++ .has_enet1 = 1, ++ .has_pci = 1, ++ ++ .enet0 = { ++ .has_phy = 1, ++ .use_internal_phy = 1, ++ }, ++ ++ .enet1 = { ++ .force_speed_100 = 1, ++ .force_duplex_full = 1, ++ }, ++ ++ ++ .has_ohci0 = 1, ++ .has_pccard = 1, ++ .has_ehci0 = 1, ++ ++ .has_udc0 = 1, ++ ++ .leds = { ++ { ++ .name = "adsl", ++ .gpio = NXP_74HC64_GPIO(4), ++ .active_low = 1, ++ }, ++ { ++ .name = "traffic", ++ .gpio = 2, ++ .active_low = 1, ++ }, ++ { ++ .name = "tel", ++ .gpio = NXP_74HC64_GPIO(3), ++ .active_low = 1, ++ }, ++ { ++ .name = "tv", ++ .gpio = NXP_74HC64_GPIO(2), ++ .active_low = 1, ++ }, ++ { ++ .name = "wifi", ++ .gpio = 15, ++ .active_low = 1, ++ }, ++ { ++ .name = "alarm", ++ .gpio = NXP_74HC64_GPIO(0), ++ .active_low = 1, ++ }, ++ { ++ .name = "service:red", ++ .gpio = 29, ++ .active_low = 1, ++ }, ++ { ++ .name = "service:green", ++ .gpio = 30, ++ .active_low = 1, ++ }, ++ { ++ .name = "service:blue", ++ .gpio = 4, ++ .active_low = 1, ++ }, ++ }, ++ .reset_buttons = { ++ { ++ .desc = "reset", ++ .gpio = 34, ++ .active_low = 1, ++ .type = EV_KEY, ++ .code = BTN_0, ++ .threshold = 3, ++ }, ++ }, ++}; ++ ++static struct board_info __initdata board_nb4_ser_r2 = { ++ .name = "NB4-SER-r2", ++ .expected_cpu_id = 0x6358, ++ ++ .has_enet0 = 1, ++ .has_enet1 = 1, ++ .has_pci = 1, ++ ++ .enet0 = { ++ .has_phy = 1, ++ .use_internal_phy = 1, ++ }, ++ ++ .enet1 = { ++ .force_speed_100 = 1, ++ .force_duplex_full = 1, ++ }, ++ ++ ++ .has_ohci0 = 1, ++ .has_pccard = 1, ++ .has_ehci0 = 1, ++ ++ .leds = { ++ { ++ .name = "adsl", ++ .gpio = NXP_74HC64_GPIO(4), ++ .active_low = 1, ++ }, ++ { ++ .name = "traffic", ++ .gpio = 2, ++ .active_low = 1, ++ }, ++ { ++ .name = "tel", ++ .gpio = NXP_74HC64_GPIO(3), ++ .active_low = 1, ++ }, ++ { ++ .name = "tv", ++ .gpio = NXP_74HC64_GPIO(2), ++ .active_low = 1, ++ }, ++ { ++ .name = "wifi", ++ .gpio = 15, ++ .active_low = 1, ++ }, ++ { ++ .name = "alarm", ++ .gpio = NXP_74HC64_GPIO(0), ++ .active_low = 1, ++ }, ++ { ++ .name = "service:red", ++ .gpio = 29, ++ .active_low = 1, ++ }, ++ { ++ .name = "service:green", ++ .gpio = 30, ++ .active_low = 1, ++ }, ++ { ++ .name = "service:blue", ++ .gpio = 4, ++ .active_low = 1, ++ }, ++ }, ++ .reset_buttons = { ++ { ++ .desc = "reset", ++ .gpio = 34, ++ .active_low = 1, ++ .type = EV_KEY, ++ .code = BTN_0, ++ .threshold = 3, ++ }, ++ }, ++}; ++ ++static struct board_info __initdata board_nb4_fxc_r1 = { ++ .name = "NB4-FXC-r1", ++ .expected_cpu_id = 0x6358, ++ ++ .has_enet0 = 1, ++ .has_enet1 = 1, ++ .has_pci = 1, ++ ++ .enet0 = { ++ .has_phy = 1, ++ .use_internal_phy = 1, ++ }, ++ ++ .enet1 = { ++ .force_speed_100 = 1, ++ .force_duplex_full = 1, ++ }, ++ ++ ++ .has_ohci0 = 1, ++ .has_pccard = 1, ++ .has_ehci0 = 1, ++ ++ .has_udc0 = 1, ++ ++ .leds = { ++ { ++ .name = "adsl", ++ .gpio = NXP_74HC64_GPIO(4), ++ .active_low = 1, ++ }, ++ { ++ .name = "traffic", ++ .gpio = 2, ++ }, ++ { ++ .name = "tel", ++ .gpio = NXP_74HC64_GPIO(3), ++ .active_low = 1, ++ }, ++ { ++ .name = "tv", ++ .gpio = NXP_74HC64_GPIO(2), ++ .active_low = 1, ++ }, ++ { ++ .name = "wifi", ++ .gpio = 15, ++ }, ++ { ++ .name = "alarm", ++ .gpio = NXP_74HC64_GPIO(0), ++ .active_low = 1, ++ }, ++ { ++ .name = "service:red", ++ .gpio = 29, ++ }, ++ { ++ .name = "service:green", ++ .gpio = 30, ++ }, ++ { ++ .name = "service:blue", ++ .gpio = 4, ++ }, ++ }, ++ .reset_buttons = { ++ { ++ .desc = "reset", ++ .gpio = 34, ++ .active_low = 1, ++ .type = EV_KEY, ++ .code = BTN_0, ++ .threshold = 3, ++ }, ++ }, ++}; ++ ++static struct board_info __initdata board_nb4_fxc_r2 = { ++ .name = "NB4-FXC-r2", ++ .expected_cpu_id = 0x6358, ++ ++ .has_enet0 = 1, ++ .has_enet1 = 1, ++ .has_pci = 1, ++ ++ .enet0 = { ++ .has_phy = 1, ++ .use_internal_phy = 1, ++ }, ++ ++ .enet1 = { ++ .force_speed_100 = 1, ++ .force_duplex_full = 1, ++ }, ++ ++ ++ .has_ohci0 = 1, ++ .has_pccard = 1, ++ .has_ehci0 = 1, ++ ++ .leds = { ++ { ++ .name = "adsl", ++ .gpio = NXP_74HC64_GPIO(4), ++ .active_low = 1, ++ }, ++ { ++ .name = "traffic", ++ .gpio = 2, ++ }, ++ { ++ .name = "tel", ++ .gpio = NXP_74HC64_GPIO(3), ++ .active_low = 1, ++ }, ++ { ++ .name = "tv", ++ .gpio = NXP_74HC64_GPIO(2), ++ .active_low = 1, ++ }, ++ { ++ .name = "wifi", ++ .gpio = 15, ++ }, ++ { ++ .name = "alarm", ++ .gpio = NXP_74HC64_GPIO(0), ++ .active_low = 1, ++ }, ++ { ++ .name = "service:red", ++ .gpio = 29, ++ }, ++ { ++ .name = "service:green", ++ .gpio = 30, ++ }, ++ { ++ .name = "service:blue", ++ .gpio = 4, ++ }, ++ }, ++ .reset_buttons = { ++ { ++ .desc = "reset", ++ .gpio = 34, ++ .active_low = 1, ++ .type = EV_KEY, ++ .code = BTN_0, ++ .threshold = 3, ++ }, ++ }, ++}; + #endif + + /* +@@ -699,6 +1112,11 @@ static const struct board_info __initdat + &board_96358vw2, + &board_AGPFS0, + &board_DWVS0, ++ &board_nb4_ser_r0, ++ &board_nb4_ser_r1, ++ &board_nb4_ser_r2, ++ &board_nb4_fxc_r1, ++ &board_nb4_fxc_r2, + #endif + }; + +@@ -749,6 +1167,14 @@ void __init board_prom_init(void) + return; + } + ++ /* Fixup broken neufbox4 board name */ ++ if (BCMCPU_IS_6358()) { ++ p = boot_addr + NEUFBOX4_PID_OFFSET; ++ if (!memcmp(p, "NB4-", 4)) ++ memcpy(nvram.name, p, sizeof("NB4-XXX-rX")); ++ ++ } ++ + /* find board by name */ + for (i = 0; i < ARRAY_SIZE(bcm963xx_boards); i++) { + if (strncmp(nvram.name, bcm963xx_boards[i]->name, +@@ -923,6 +1349,21 @@ static struct platform_device bcm63xx_gp + .dev.platform_data = &bcm63xx_gpio_buttons_data, + }; + ++static struct nxp_74hc164_platform_data neufbox4_74hc164_data = { ++ .gpio_base = NEUFBOX4_EXP_GPIO_BASE, ++ .gpio_pin_data = NEUFBOX4_GPIO_74HC164_DATA, ++ .gpio_pin_clk = NEUFBOX4_GPIO_74HC164_CLK, ++ ++}; ++ ++static struct platform_device neufbox4_74hc164_device = { ++ .name = NXP_74HC164_DRIVER_NAME, ++ .id = -1, ++ .dev = { ++ .platform_data = &neufbox4_74hc164_data, ++ } ++}; ++ + /* + * third stage init callback, register all board devices. + */ +@@ -977,6 +1418,9 @@ int __init board_register_devices(void) + + platform_device_register(&mtd_dev); + ++ if (BCMCPU_IS_6358() && (!memcmp(board.name, "NB4-", 4))) ++ platform_device_register(&neufbox4_74hc164_device); ++ + platform_device_register_simple("GPIODEV", 0, &gpiodev_resource, 1); + + /* count number of LEDs defined by this device */ +--- a/arch/mips/include/asm/mach-bcm63xx/board_bcm963xx.h ++++ b/arch/mips/include/asm/mach-bcm63xx/board_bcm963xx.h +@@ -13,6 +13,8 @@ + #define BCM963XX_CFE_VERSION_OFFSET 0x570 + #define BCM963XX_NVRAM_OFFSET 0x580 + ++#define NEUFBOX4_PID_OFFSET 0xff80 ++ + /* + * nvram structure + */ +@@ -55,7 +57,7 @@ struct board_info { + struct bcm63xx_dsp_platform_data dsp; + + /* GPIO LEDs */ +- struct gpio_led leds[8]; ++ struct gpio_led leds[9]; + + /* Reset button */ + struct gpio_button reset_buttons[1];
Index: target/linux/brcm63xx/config-2.6.32 =================================================================== --- target/linux/brcm63xx/config-2.6.32 (revision 19990) +++ target/linux/brcm63xx/config-2.6.32 (working copy) @@ -82,6 +82,7 @@ CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y CONFIG_GPIOLIB=y CONFIG_GPIO_DEVICE=y +CONFIG_GPIO_NXP_74HC164=y CONFIG_GPIO_SYSFS=y # CONFIG_HAMRADIO is not set CONFIG_HARDWARE_WATCHPOINTS=y @@ -103,7 +104,6 @@ CONFIG_IP_PIMSM_V1=y CONFIG_IP_PIMSM_V2=y CONFIG_IRQ_CPU=y -# CONFIG_ISDN is not set CONFIG_KEXEC=y CONFIG_LEDS_GPIO=y # CONFIG_LEDS_TRIGGER_HEARTBEAT is not set
Index: target/linux/brcm63xx/patches-2.6.32/211-nxp-74hc164-gpio-chip-driver.patch =================================================================== --- target/linux/brcm63xx/patches-2.6.32/211-nxp-74hc164-gpio-chip-driver.patch (revision 0) +++ target/linux/brcm63xx/patches-2.6.32/211-nxp-74hc164-gpio-chip-driver.patch (revision 0) @@ -0,0 +1,279 @@ +--- a/drivers/gpio/Kconfig ++++ b/drivers/gpio/Kconfig +@@ -230,4 +230,12 @@ config GPIO_UCB1400 + To compile this driver as a module, choose M here: the + module will be called ucb1400_gpio. + ++comment "Other GPIO expanders" ++ ++config GPIO_NXP_74HC164 ++ tristate "NXP 74HC164 Output expanders" ++ help ++ Platform driver for NXP 74HC164 8-output Expanders. This ++ provides a GPIO interface supporting outputs. ++ + endif +--- a/drivers/gpio/Makefile ++++ b/drivers/gpio/Makefile +@@ -10,6 +10,7 @@ obj-$(CONFIG_GPIO_MAX7301) += max7301.o + obj-$(CONFIG_GPIO_MAX732X) += max732x.o + obj-$(CONFIG_GPIO_MC33880) += mc33880.o + obj-$(CONFIG_GPIO_MCP23S08) += mcp23s08.o ++obj-$(CONFIG_GPIO_NXP_74HC164) += nxp_74hc164.o + obj-$(CONFIG_GPIO_PCA953X) += pca953x.o + obj-$(CONFIG_GPIO_PCF857X) += pcf857x.o + obj-$(CONFIG_GPIO_PL061) += pl061.o +--- /dev/null ++++ b/drivers/gpio/nxp_74hc164.c +@@ -0,0 +1,226 @@ ++/* ++ * NXP 74HC164 - output expander GPIO driver ++ * ++ * Copyright (C) 2010 Gabor Juhos <[email protected]> ++ * Copyright (C) 2010 Miguel Gaio <[email protected]> ++ * ++ * This program is free software; you can redistribute it and/or modify ++ * it under the terms of the GNU General Public License version 2 as ++ * published by the Free Software Foundation. ++ * ++ * Copy from nxp_74hc153.c code ++ */ ++ ++#include <linux/module.h> ++#include <linux/init.h> ++#include <linux/gpio.h> ++#include <linux/bitops.h> ++#include <linux/platform_device.h> ++#include <linux/nxp_74hc164.h> ++ ++#define NXP_74HC164_NUM_GPIOS 8 ++ ++struct nxp_74hc164_chip { ++ struct device *parent; ++ struct gpio_chip gpio_chip; ++ struct mutex lock; ++ long mask; ++}; ++ ++static void nxp_74hc164_set_value(struct gpio_chip *, unsigned, int); ++ ++static struct nxp_74hc164_chip *gpio_to_nxp(struct gpio_chip *gc) ++{ ++ return container_of(gc, struct nxp_74hc164_chip, gpio_chip); ++} ++ ++static int nxp_74hc164_direction_input(struct gpio_chip *gc, unsigned offset) ++{ ++ WARN_ON(1); ++ return -EINVAL; ++} ++ ++static int nxp_74hc164_direction_output(struct gpio_chip *gc, ++ unsigned offset, int val) ++{ ++ nxp_74hc164_set_value(gc, offset, val); ++ return 0; ++} ++ ++static int nxp_74hc164_get_value(struct gpio_chip *gc, unsigned offset) ++{ ++ struct nxp_74hc164_chip *nxp = gpio_to_nxp(gc); ++ int ret; ++ ++ mutex_lock(&nxp->lock); ++ ret = test_bit(offset, &nxp->mask); ++ mutex_unlock(&nxp->lock); ++ ++ return ret; ++} ++ ++static void nxp_74hc164_set_value(struct gpio_chip *gc, ++ unsigned offset, int val) ++{ ++ struct nxp_74hc164_chip *nxp; ++ struct nxp_74hc164_platform_data *pdata; ++ long mask; ++ int refresh; ++ int i; ++ ++ nxp = gpio_to_nxp(gc); ++ pdata = nxp->parent->platform_data; ++ ++ mutex_lock(&nxp->lock); ++ if (val) ++ refresh = (test_and_set_bit(offset, &nxp->mask) != val); ++ else ++ refresh = (test_and_clear_bit(offset, &nxp->mask) != val); ++ ++ if (refresh) { ++ mask = nxp->mask; ++ for (i = 8; i > 0; --i, mask <<= 1) { ++ gpio_set_value(pdata->gpio_pin_data, mask & 0x80); ++ gpio_set_value(pdata->gpio_pin_clk, 1); ++ gpio_set_value(pdata->gpio_pin_clk, 0); ++ } ++ } ++ mutex_unlock(&nxp->lock); ++} ++ ++static int __devinit nxp_74hc164_probe(struct platform_device *pdev) ++{ ++ struct nxp_74hc164_platform_data *pdata; ++ struct nxp_74hc164_chip *nxp; ++ struct gpio_chip *gc; ++ int err; ++ ++ pdata = pdev->dev.platform_data; ++ if (pdata == NULL) { ++ dev_dbg(&pdev->dev, "no platform data specified\n"); ++ return -EINVAL; ++ } ++ ++ nxp = kzalloc(sizeof(struct nxp_74hc164_chip), GFP_KERNEL); ++ if (nxp == NULL) { ++ dev_err(&pdev->dev, "no memory for private data\n"); ++ return -ENOMEM; ++ } ++ ++ err = gpio_request(pdata->gpio_pin_clk, dev_name(&pdev->dev)); ++ if (err) { ++ dev_err(&pdev->dev, "unable to claim gpio %u, err=%d\n", ++ pdata->gpio_pin_clk, err); ++ goto err_free_nxp; ++ } ++ ++ err = gpio_request(pdata->gpio_pin_data, dev_name(&pdev->dev)); ++ if (err) { ++ dev_err(&pdev->dev, "unable to claim gpio %u, err=%d\n", ++ pdata->gpio_pin_data, err); ++ goto err_free_clk; ++ } ++ ++ err = gpio_direction_output(pdata->gpio_pin_clk, 0); ++ if (err) { ++ dev_err(&pdev->dev, ++ "unable to set direction of gpio %u, err=%d\n", ++ pdata->gpio_pin_clk, err); ++ goto err_free_data; ++ } ++ ++ err = gpio_direction_output(pdata->gpio_pin_data, 0); ++ if (err) { ++ dev_err(&pdev->dev, ++ "unable to set direction of gpio %u, err=%d\n", ++ pdata->gpio_pin_data, err); ++ goto err_free_data; ++ } ++ ++ nxp->parent = &pdev->dev; ++ mutex_init(&nxp->lock); ++ ++ gc = &nxp->gpio_chip; ++ ++ gc->direction_input = nxp_74hc164_direction_input; ++ gc->direction_output = nxp_74hc164_direction_output; ++ gc->get = nxp_74hc164_get_value; ++ gc->set = nxp_74hc164_set_value; ++ gc->can_sleep = 1; ++ ++ gc->base = pdata->gpio_base; ++ gc->ngpio = NXP_74HC164_NUM_GPIOS; ++ gc->label = dev_name(nxp->parent); ++ gc->dev = nxp->parent; ++ gc->owner = THIS_MODULE; ++ ++ err = gpiochip_add(&nxp->gpio_chip); ++ if (err) { ++ dev_err(&pdev->dev, "unable to add gpio chip, err=%d\n", err); ++ goto err_free_data; ++ } ++ ++ platform_set_drvdata(pdev, nxp); ++ return 0; ++ ++ err_free_data: ++ gpio_free(pdata->gpio_pin_data); ++ err_free_clk: ++ gpio_free(pdata->gpio_pin_clk); ++ err_free_nxp: ++ kfree(nxp); ++ return err; ++} ++ ++static int nxp_74hc164_remove(struct platform_device *pdev) ++{ ++ struct nxp_74hc164_chip *nxp = platform_get_drvdata(pdev); ++ struct nxp_74hc164_platform_data *pdata = pdev->dev.platform_data; ++ ++ if (nxp) { ++ int err; ++ ++ err = gpiochip_remove(&nxp->gpio_chip); ++ if (err) { ++ dev_err(&pdev->dev, ++ "unable to remove gpio chip, err=%d\n", ++ err); ++ return err; ++ } ++ ++ gpio_free(pdata->gpio_pin_clk); ++ gpio_free(pdata->gpio_pin_data); ++ ++ kfree(nxp); ++ platform_set_drvdata(pdev, NULL); ++ } ++ ++ return 0; ++} ++ ++static struct platform_driver nxp_74hc164_driver = { ++ .probe = nxp_74hc164_probe, ++ .remove = __devexit_p(nxp_74hc164_remove), ++ .driver = { ++ .name = NXP_74HC164_DRIVER_NAME, ++ .owner = THIS_MODULE, ++ }, ++}; ++ ++static int __init nxp_74hc164_init(void) ++{ ++ return platform_driver_register(&nxp_74hc164_driver); ++} ++subsys_initcall(nxp_74hc164_init); ++ ++static void __exit nxp_74hc164_exit(void) ++{ ++ platform_driver_unregister(&nxp_74hc164_driver); ++} ++module_exit(nxp_74hc164_exit); ++ ++MODULE_AUTHOR("Gabor Juhos <[email protected]>"); ++MODULE_AUTHOR("Miguel Gaio <[email protected]>"); ++MODULE_DESCRIPTION("GPIO expander driver for NXP 74HC164"); ++MODULE_LICENSE("GPL v2"); ++MODULE_ALIAS("platform:" NXP_74HC164_DRIVER_NAME); +--- /dev/null ++++ b/include/linux/nxp_74hc164.h +@@ -0,0 +1,22 @@ ++/* ++ * NXP 74HC164 - Dual 4-input multiplexer defines ++ * ++ * Copyright (C) 2010 Gabor Juhos <[email protected]> ++ * ++ * This program is free software; you can redistribute it and/or modify ++ * it under the terms of the GNU General Public License version 2 as ++ * published by the Free Software Foundation. ++ */ ++ ++#ifndef _NXP_74HC164_H ++#define _NXP_74HC164_H ++ ++#define NXP_74HC164_DRIVER_NAME "nxp-74hc164" ++ ++struct nxp_74hc164_platform_data { ++ unsigned gpio_base; ++ unsigned gpio_pin_data; ++ unsigned gpio_pin_clk; ++}; ++ ++#endif /* _NXP_74HC164_H */
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